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BOSTON MARATHON 2024

Kathryn Dierks

Bib: 15498•F

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 35%
Gender (Female)
#0 / 10924
Top 20%
Masters (Masters Women)
#0 / 6263
Top 9%
Division (F40-44)
#0 / 1613
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:53/mi
24:28
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
49:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:23
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:37:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:42:56
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
2:01:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:26:56
↑ 181↓ 1480.2%
20M
8:03/mi
2:37:53
↑ 64↓ 500.2%
21M
8:31/mi
2:46:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:52:16
↑ 17↓ 861.7%
23M
7:59/mi
3:02:16
↑ 23↓ 630.6%
24M
7:53/mi
3:10:09
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:17:04
↓ 200.3%
25.2M
8:54/mi
3:20:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:42/mi
3:27:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:56
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:45:03
Pace8:01 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:4724:287:5324:28
7:53
-
10K
6.21 mi11:21:2049:017:5324:33
7:54
+0:01
15K
9.32 mi11:45:421:13:237:5224:22
7:51
-0:03
20K
12.43 mi12:10:011:37:427:5224:19
7:50
-0:01
Half
13.11 mi12:15:151:42:567:515:14
7:40
-0:10
25K
15.53 mi12:34:172:01:587:5119:02
7:51
+0:11
30K
18.64 mi12:59:152:26:567:5324:58
8:02
+0:11
20M
20.00 mi13:10:122:37:537:5410:57
8:03
+0:01
21M
21.00 mi13:18:432:46:247:558:31
8:31
+0:28
35K
21.75 mi13:24:352:52:167:555:52
7:51
-0:40
23M
23.00 mi13:34:353:02:167:5510:00
7:59
+0:08
24M
24.00 mi13:42:283:10:097:557:53
7:53
-0:06
40K
24.85 mi13:49:233:17:047:566:55
8:05
+0:12
25.2M
25.20 mi13:52:273:20:087:573:04
8:54
+0:49
Finish
26.22 mi14:00:183:27:597:567:51
7:42
-1:12

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:40 /mi

Average Pace

7:56 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:24

94% of race

Time at Steady Pace

11:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:56:4724:287:5324:28
7:53
#13685
10K
6.21 mi11:21:2049:017:5324:33
7:54
#13546
15K
9.32 mi11:45:421:13:237:5224:22
7:51
#13091
20K
12.43 mi12:10:011:37:427:5224:19
7:50
#12356
Half
13.11 mi12:15:151:42:567:515:14
7:40
#12233
25K
15.53 mi12:34:172:01:587:5119:02
7:51
#11628
30K
18.64 mi12:59:152:26:567:5324:58
8:02
#10823
20M
20.00 mi13:10:122:37:537:5410:57
8:03
#10458
21M
21.00 mi13:18:432:46:247:558:31
8:31
#10117
35K
21.75 mi13:24:352:52:167:555:52
7:51
#9948
23M
23.00 mi13:34:353:02:167:5510:00
7:59
#9586
24M
24.00 mi13:42:283:10:097:557:53
7:53
#9362
40K
24.85 mi13:49:233:17:047:566:55
8:05
#9217
25.2M
25.20 mi13:52:273:20:087:573:04
8:54
#9106
Finish
26.22 mi14:00:183:27:597:567:51
7:42
#8981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi136854104410412289(Top 48%)3400(Top 31%)3400(Top 211%)
10K6.21 mi3.10 mi13546+1394057+474057+4713459(Top 53%)4021(Top 37%)4021(Top 249%)
15K9.32 mi3.11 mi13091+4553809+2483809+24812289(Top 48%)3400(Top 31%)3400(Top 211%)
20K12.43 mi3.11 mi12356+7353410+3993410+39910617(Top 42%)2631(Top 24%)2631(Top 163%)
Half13.11 mi0.68 mi12233+1233349+613349+6110413(Top 41%)2503(Top 23%)2503(Top 155%)
25K15.53 mi2.42 mi11628+6053056+2933056+2939266(Top 36%)2135(Top 20%)2135(Top 132%)
30K18.64 mi3.11 mi10823+8052730+3262730+3268080(Top 32%)1809(Top 17%)1809(Top 112%)
20M20.00 mi1.36 mi10458+3652606+1242606+1247129(Top 28%)1604(Top 15%)1604(Top 99%)
21M21.00 mi1.00 mi10117+3412490+1162490+1166337(Top 25%)1451(Top 13%)1451(Top 90%)
35K21.75 mi0.75 mi9948+1692447+432447+436872(Top 27%)1696(Top 16%)1696(Top 105%)
23M23.00 mi1.25 mi9586+3622324+1232324+1235709(Top 22%)1331(Top 12%)1331(Top 83%)
24M24.00 mi1.00 mi9362+2242256+682256+686025(Top 24%)1547(Top 14%)1547(Top 96%)
40K24.85 mi0.85 mi9217+1452229+272229+276267(Top 25%)1784(Top 16%)1784(Top 111%)
25.2M25.20 mi0.35 mi9106+1112204+252204+256125(Top 24%)1781(Top 16%)1781(Top 110%)
Finish26.22 mi1.02 mi8981+1252185+192185+196793(Top 27%)2015(Top 18%)2015(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12289

Females

3400

F40-44

3400

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

13459

Females

4021

F40-44

4021

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12289

Females

3400

F40-44

3400

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

10617

Females

2631

F40-44

2631

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10413

Females

2503

F40-44

2503

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9266

Females

2135

F40-44

2135

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8080

Females

1809

F40-44

1809

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7129

Females

1604

F40-44

1604

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6337

Females

1451

F40-44

1451

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

6872

Females

1696

F40-44

1696

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5709

Females

1331

F40-44

1331

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6025

Females

1547

F40-44

1547

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6267

Females

1784

F40-44

1784

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6125

Females

1781

F40-44

1781

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

6793

Females

2015

F40-44

2015

Passing Analysis

Category:
Athletes Passed
5114*
Passed By
410
Net Change
+4704
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13685
5K → 10K379240+139#13685#13546
10K → 15K50449+455#13546#13091
15K → 20K7438+735#13091#12356
20K → Half1274+123#12356#12233
Half → 25K6149+605#12233#11628
25K → 30K81510+805#11628#10823
30K → 20M3705+365#10823#10458
20M → 21M3498+341#10458#10117
21M → 35K178*9+169#10117#9948
35K → 23M368*6+362#9948#9586
23M → 24M232*8+224#9586#9362
24M → 40K16924+145#9362#9217
40K → 25.2M1165+111#9217#9106
25.2M → Finish15025+125#9106#8981
TOTALS5114*410+4704

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing